<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <label for="username">用户名</label>
    <input id="username" type="text" name="user"/>
    <!--就是当点击用户名或者输入框的时候光标都会进入输入框-->

    <fieldset>
        <legend>登陆</legend>

        <label for="username">用户名</label>
        <input id="username" type="text" name="user"/>
        <br/>
        <label for="password">密码</label>
        <input id="password" type="text" name="pwd"/>


    </fieldset>

</body>
</html>